5 PCS Adjustable Power Supply Module Step Down Buck Converter LED Display Voltmeter DC 37V 3A Output Voltage

5 PCS Adjustable Power Supply Module Step Down Buck Converter LED Display Voltmeter DC 37V 3A Output Voltage
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5 PCS Adjustable Power Supply Module Step Down Buck Converter LED Display Voltmeter DC 37V 3A Output Voltage Free Shipping Parameters: How to adjust accuracy of input/output volt? (1) Output voltage calibration more than 2 seconds, release, voltmeter and "OUT" LED flashes in synchronization so that you enter the output voltage calibration mode. than 0.1V, the minimum voltage display to 0.1V, so you need to continuously press 1~5 times to see the voltmeter change 0.1V, how many times voltmeter change 0.1V by pressing the key, depending on the current display voltage, the higher the voltage, the fewer the number of press. (2) Input voltage calibration release, voltmeter and "IN" LED flashes in synchronization so that you enter the input voltage calibration mode. Note: counterclockwise rotation of the potentiometer 10 laps or more, then you can adjust the output voltage. Because the factory default output voltage is 20V Package Include:
5 PCS Adjustable Power Supply Module Step Down Buck Converter LED Display Voltmeter DC 37V 3A Output Voltage

5 PCS Adjustable Power Supply Module Step Down Buck Converter LED Display Voltmeter DC 37V 3A Output Voltage

5 PCS Adjustable Power Supply Module Step Down Buck Converter LED Display Voltmeter DC 37V 3A Output Voltage

5 PCS Adjustable Power Supply Module Step Down Buck Converter LED Display Voltmeter DC 37V 3A Output Voltage

5 PCS Adjustable Power Supply Module Step Down Buck Converter LED Display Voltmeter DC 37V 3A Output Voltage

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